JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
  <body>
    <div id="player"></div>
    <script>
      var tag = document.createElement('script');
      tag.src = "//www.youtube.com/iframe_api";
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

      var player;
      function onYouTubeIframeAPIReady() {
        player = new YT.Player('player', {
          height: '390',
          width: '640',
          videoId: 'u1zgFlCw8Aw',
          playerVars: {
            autoplay: 1,
            playsinline: 1
          }
        });
      }
    </script>
  </body>
</html>